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-rw-r--r--crypto/openssh/sftp-int.c917
1 files changed, 917 insertions, 0 deletions
diff --git a/crypto/openssh/sftp-int.c b/crypto/openssh/sftp-int.c
new file mode 100644
index 0000000..3a71daa
--- /dev/null
+++ b/crypto/openssh/sftp-int.c
@@ -0,0 +1,917 @@
+/*
+ * Copyright (c) 2001 Damien Miller. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* XXX: globbed ls */
+/* XXX: recursive operations */
+
+#include "includes.h"
+RCSID("$OpenBSD: sftp-int.c,v 1.36 2001/04/15 08:43:46 markus Exp $");
+
+#include <glob.h>
+
+#include "buffer.h"
+#include "xmalloc.h"
+#include "log.h"
+#include "pathnames.h"
+
+#include "sftp.h"
+#include "sftp-common.h"
+#include "sftp-glob.h"
+#include "sftp-client.h"
+#include "sftp-int.h"
+
+/* File to read commands from */
+extern FILE *infile;
+
+/* Version of server we are speaking to */
+int version;
+
+/* Seperators for interactive commands */
+#define WHITESPACE " \t\r\n"
+
+/* Commands for interactive mode */
+#define I_CHDIR 1
+#define I_CHGRP 2
+#define I_CHMOD 3
+#define I_CHOWN 4
+#define I_GET 5
+#define I_HELP 6
+#define I_LCHDIR 7
+#define I_LLS 8
+#define I_LMKDIR 9
+#define I_LPWD 10
+#define I_LS 11
+#define I_LUMASK 12
+#define I_MKDIR 13
+#define I_PUT 14
+#define I_PWD 15
+#define I_QUIT 16
+#define I_RENAME 17
+#define I_RM 18
+#define I_RMDIR 19
+#define I_SHELL 20
+#define I_SYMLINK 21
+#define I_VERSION 22
+
+struct CMD {
+ const char *c;
+ const int n;
+};
+
+const struct CMD cmds[] = {
+ { "cd", I_CHDIR },
+ { "chdir", I_CHDIR },
+ { "chgrp", I_CHGRP },
+ { "chmod", I_CHMOD },
+ { "chown", I_CHOWN },
+ { "dir", I_LS },
+ { "exit", I_QUIT },
+ { "get", I_GET },
+ { "mget", I_GET },
+ { "help", I_HELP },
+ { "lcd", I_LCHDIR },
+ { "lchdir", I_LCHDIR },
+ { "lls", I_LLS },
+ { "lmkdir", I_LMKDIR },
+ { "ln", I_SYMLINK },
+ { "lpwd", I_LPWD },
+ { "ls", I_LS },
+ { "lumask", I_LUMASK },
+ { "mkdir", I_MKDIR },
+ { "put", I_PUT },
+ { "mput", I_PUT },
+ { "pwd", I_PWD },
+ { "quit", I_QUIT },
+ { "rename", I_RENAME },
+ { "rm", I_RM },
+ { "rmdir", I_RMDIR },
+ { "symlink", I_SYMLINK },
+ { "version", I_VERSION },
+ { "!", I_SHELL },
+ { "?", I_HELP },
+ { NULL, -1}
+};
+
+void
+help(void)
+{
+ printf("Available commands:\n");
+ printf("cd path Change remote directory to 'path'\n");
+ printf("lcd path Change local directory to 'path'\n");
+ printf("chgrp grp path Change group of file 'path' to 'grp'\n");
+ printf("chmod mode path Change permissions of file 'path' to 'mode'\n");
+ printf("chown own path Change owner of file 'path' to 'own'\n");
+ printf("help Display this help text\n");
+ printf("get remote-path [local-path] Download file\n");
+ printf("lls [ls-options [path]] Display local directory listing\n");
+ printf("ln oldpath newpath Symlink remote file\n");
+ printf("lmkdir path Create local directory\n");
+ printf("lpwd Print local working directory\n");
+ printf("ls [path] Display remote directory listing\n");
+ printf("lumask umask Set local umask to 'umask'\n");
+ printf("mkdir path Create remote directory\n");
+ printf("put local-path [remote-path] Upload file\n");
+ printf("pwd Display remote working directory\n");
+ printf("exit Quit sftp\n");
+ printf("quit Quit sftp\n");
+ printf("rename oldpath newpath Rename remote file\n");
+ printf("rmdir path Remove remote directory\n");
+ printf("rm path Delete remote file\n");
+ printf("symlink oldpath newpath Symlink remote file\n");
+ printf("version Show SFTP version\n");
+ printf("!command Execute 'command' in local shell\n");
+ printf("! Escape to local shell\n");
+ printf("? Synonym for help\n");
+}
+
+void
+local_do_shell(const char *args)
+{
+ int status;
+ char *shell;
+ pid_t pid;
+
+ if (!*args)
+ args = NULL;
+
+ if ((shell = getenv("SHELL")) == NULL)
+ shell = _PATH_BSHELL;
+
+ if ((pid = fork()) == -1)
+ fatal("Couldn't fork: %s", strerror(errno));
+
+ if (pid == 0) {
+ /* XXX: child has pipe fds to ssh subproc open - issue? */
+ if (args) {
+ debug3("Executing %s -c \"%s\"", shell, args);
+ execl(shell, shell, "-c", args, NULL);
+ } else {
+ debug3("Executing %s", shell);
+ execl(shell, shell, NULL);
+ }
+ fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
+ strerror(errno));
+ _exit(1);
+ }
+ if (waitpid(pid, &status, 0) == -1)
+ fatal("Couldn't wait for child: %s", strerror(errno));
+ if (!WIFEXITED(status))
+ error("Shell exited abormally");
+ else if (WEXITSTATUS(status))
+ error("Shell exited with status %d", WEXITSTATUS(status));
+}
+
+void
+local_do_ls(const char *args)
+{
+ if (!args || !*args)
+ local_do_shell(_PATH_LS);
+ else {
+ int len = strlen(_PATH_LS " ") + strlen(args) + 1;
+ char *buf = xmalloc(len);
+
+ /* XXX: quoting - rip quoting code from ftp? */
+ snprintf(buf, len, _PATH_LS " %s", args);
+ local_do_shell(buf);
+ xfree(buf);
+ }
+}
+
+char *
+path_append(char *p1, char *p2)
+{
+ char *ret;
+ int len = strlen(p1) + strlen(p2) + 2;
+
+ ret = xmalloc(len);
+ strlcpy(ret, p1, len);
+ strlcat(ret, "/", len);
+ strlcat(ret, p2, len);
+
+ return(ret);
+}
+
+char *
+make_absolute(char *p, char *pwd)
+{
+ char *abs;
+
+ /* Derelativise */
+ if (p && p[0] != '/') {
+ abs = path_append(pwd, p);
+ xfree(p);
+ return(abs);
+ } else
+ return(p);
+}
+
+int
+infer_path(const char *p, char **ifp)
+{
+ char *cp;
+
+ cp = strrchr(p, '/');
+ if (cp == NULL) {
+ *ifp = xstrdup(p);
+ return(0);
+ }
+
+ if (!cp[1]) {
+ error("Invalid path");
+ return(-1);
+ }
+
+ *ifp = xstrdup(cp + 1);
+ return(0);
+}
+
+int
+parse_getput_flags(const char **cpp, int *pflag)
+{
+ const char *cp = *cpp;
+
+ /* Check for flags */
+ if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
+ switch (cp[1]) {
+ case 'p':
+ case 'P':
+ *pflag = 1;
+ break;
+ default:
+ error("Invalid flag -%c", cp[1]);
+ return(-1);
+ }
+ cp += 2;
+ *cpp = cp + strspn(cp, WHITESPACE);
+ }
+
+ return(0);
+}
+
+int
+get_pathname(const char **cpp, char **path)
+{
+ const char *cp = *cpp, *end;
+ char quot;
+ int i;
+
+ cp += strspn(cp, WHITESPACE);
+ if (!*cp) {
+ *cpp = cp;
+ *path = NULL;
+ return (0);
+ }
+
+ /* Check for quoted filenames */
+ if (*cp == '\"' || *cp == '\'') {
+ quot = *cp++;
+
+ end = strchr(cp, quot);
+ if (end == NULL) {
+ error("Unterminated quote");
+ goto fail;
+ }
+ if (cp == end) {
+ error("Empty quotes");
+ goto fail;
+ }
+ *cpp = end + 1 + strspn(end + 1, WHITESPACE);
+ } else {
+ /* Read to end of filename */
+ end = strpbrk(cp, WHITESPACE);
+ if (end == NULL)
+ end = strchr(cp, '\0');
+ *cpp = end + strspn(end, WHITESPACE);
+ }
+
+ i = end - cp;
+
+ *path = xmalloc(i + 1);
+ memcpy(*path, cp, i);
+ (*path)[i] = '\0';
+ return(0);
+
+ fail:
+ *path = NULL;
+ return (-1);
+}
+
+int
+is_dir(char *path)
+{
+ struct stat sb;
+
+ /* XXX: report errors? */
+ if (stat(path, &sb) == -1)
+ return(0);
+
+ return(sb.st_mode & S_IFDIR);
+}
+
+int
+remote_is_dir(int in, int out, char *path)
+{
+ Attrib *a;
+
+ /* XXX: report errors? */
+ if ((a = do_stat(in, out, path, 1)) == NULL)
+ return(0);
+ if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
+ return(0);
+ return(a->perm & S_IFDIR);
+}
+
+int
+process_get(int in, int out, char *src, char *dst, char *pwd, int pflag)
+{
+ char *abs_src = NULL;
+ char *abs_dst = NULL;
+ char *tmp;
+ glob_t g;
+ int err = 0;
+ int i;
+
+ abs_src = xstrdup(src);
+ abs_src = make_absolute(abs_src, pwd);
+
+ memset(&g, 0, sizeof(g));
+ debug3("Looking up %s", abs_src);
+ if (remote_glob(in, out, abs_src, 0, NULL, &g)) {
+ error("File \"%s\" not found.", abs_src);
+ err = -1;
+ goto out;
+ }
+
+ /* Only one match, dst may be file, directory or unspecified */
+ if (g.gl_pathv[0] && g.gl_matchc == 1) {
+ if (dst) {
+ /* If directory specified, append filename */
+ if (is_dir(dst)) {
+ if (infer_path(g.gl_pathv[0], &tmp)) {
+ err = 1;
+ goto out;
+ }
+ abs_dst = path_append(dst, tmp);
+ xfree(tmp);
+ } else
+ abs_dst = xstrdup(dst);
+ } else if (infer_path(g.gl_pathv[0], &abs_dst)) {
+ err = -1;
+ goto out;
+ }
+ printf("Fetching %s to %s\n", g.gl_pathv[0], abs_dst);
+ err = do_download(in, out, g.gl_pathv[0], abs_dst, pflag);
+ goto out;
+ }
+
+ /* Multiple matches, dst may be directory or unspecified */
+ if (dst && !is_dir(dst)) {
+ error("Multiple files match, but \"%s\" is not a directory",
+ dst);
+ err = -1;
+ goto out;
+ }
+
+ for(i = 0; g.gl_pathv[i]; i++) {
+ if (infer_path(g.gl_pathv[i], &tmp)) {
+ err = -1;
+ goto out;
+ }
+ if (dst) {
+ abs_dst = path_append(dst, tmp);
+ xfree(tmp);
+ } else
+ abs_dst = tmp;
+
+ printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
+ if (do_download(in, out, g.gl_pathv[i], abs_dst, pflag) == -1)
+ err = -1;
+ xfree(abs_dst);
+ abs_dst = NULL;
+ }
+
+out:
+ xfree(abs_src);
+ if (abs_dst)
+ xfree(abs_dst);
+ globfree(&g);
+ return(err);
+}
+
+int
+process_put(int in, int out, char *src, char *dst, char *pwd, int pflag)
+{
+ char *tmp_dst = NULL;
+ char *abs_dst = NULL;
+ char *tmp;
+ glob_t g;
+ int err = 0;
+ int i;
+
+ if (dst) {
+ tmp_dst = xstrdup(dst);
+ tmp_dst = make_absolute(tmp_dst, pwd);
+ }
+
+ memset(&g, 0, sizeof(g));
+ debug3("Looking up %s", src);
+ if (glob(src, 0, NULL, &g)) {
+ error("File \"%s\" not found.", src);
+ err = -1;
+ goto out;
+ }
+
+ /* Only one match, dst may be file, directory or unspecified */
+ if (g.gl_pathv[0] && g.gl_matchc == 1) {
+ if (tmp_dst) {
+ /* If directory specified, append filename */
+ if (remote_is_dir(in, out, tmp_dst)) {
+ if (infer_path(g.gl_pathv[0], &tmp)) {
+ err = 1;
+ goto out;
+ }
+ abs_dst = path_append(tmp_dst, tmp);
+ xfree(tmp);
+ } else
+ abs_dst = xstrdup(tmp_dst);
+ } else {
+ if (infer_path(g.gl_pathv[0], &abs_dst)) {
+ err = -1;
+ goto out;
+ }
+ abs_dst = make_absolute(abs_dst, pwd);
+ }
+ printf("Uploading %s to %s\n", g.gl_pathv[0], abs_dst);
+ err = do_upload(in, out, g.gl_pathv[0], abs_dst, pflag);
+ goto out;
+ }
+
+ /* Multiple matches, dst may be directory or unspecified */
+ if (tmp_dst && !remote_is_dir(in, out, tmp_dst)) {
+ error("Multiple files match, but \"%s\" is not a directory",
+ tmp_dst);
+ err = -1;
+ goto out;
+ }
+
+ for(i = 0; g.gl_pathv[i]; i++) {
+ if (infer_path(g.gl_pathv[i], &tmp)) {
+ err = -1;
+ goto out;
+ }
+ if (tmp_dst) {
+ abs_dst = path_append(tmp_dst, tmp);
+ xfree(tmp);
+ } else
+ abs_dst = make_absolute(tmp, pwd);
+
+ printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
+ if (do_upload(in, out, g.gl_pathv[i], abs_dst, pflag) == -1)
+ err = -1;
+ }
+
+out:
+ if (abs_dst)
+ xfree(abs_dst);
+ if (tmp_dst)
+ xfree(tmp_dst);
+ return(err);
+}
+
+int
+parse_args(const char **cpp, int *pflag, unsigned long *n_arg,
+ char **path1, char **path2)
+{
+ const char *cmd, *cp = *cpp;
+ char *cp2;
+ int base = 0;
+ long l;
+ int i, cmdnum;
+
+ /* Skip leading whitespace */
+ cp = cp + strspn(cp, WHITESPACE);
+
+ /* Ignore blank lines */
+ if (!*cp)
+ return(-1);
+
+ /* Figure out which command we have */
+ for(i = 0; cmds[i].c; i++) {
+ int cmdlen = strlen(cmds[i].c);
+
+ /* Check for command followed by whitespace */
+ if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
+ strchr(WHITESPACE, cp[cmdlen])) {
+ cp += cmdlen;
+ cp = cp + strspn(cp, WHITESPACE);
+ break;
+ }
+ }
+ cmdnum = cmds[i].n;
+ cmd = cmds[i].c;
+
+ /* Special case */
+ if (*cp == '!') {
+ cp++;
+ cmdnum = I_SHELL;
+ } else if (cmdnum == -1) {
+ error("Invalid command.");
+ return(-1);
+ }
+
+ /* Get arguments and parse flags */
+ *pflag = *n_arg = 0;
+ *path1 = *path2 = NULL;
+ switch (cmdnum) {
+ case I_GET:
+ case I_PUT:
+ if (parse_getput_flags(&cp, pflag))
+ return(-1);
+ /* Get first pathname (mandatory) */
+ if (get_pathname(&cp, path1))
+ return(-1);
+ if (*path1 == NULL) {
+ error("You must specify at least one path after a "
+ "%s command.", cmd);
+ return(-1);
+ }
+ /* Try to get second pathname (optional) */
+ if (get_pathname(&cp, path2))
+ return(-1);
+ break;
+ case I_RENAME:
+ case I_SYMLINK:
+ if (get_pathname(&cp, path1))
+ return(-1);
+ if (get_pathname(&cp, path2))
+ return(-1);
+ if (!*path1 || !*path2) {
+ error("You must specify two paths after a %s "
+ "command.", cmd);
+ return(-1);
+ }
+ break;
+ case I_RM:
+ case I_MKDIR:
+ case I_RMDIR:
+ case I_CHDIR:
+ case I_LCHDIR:
+ case I_LMKDIR:
+ /* Get pathname (mandatory) */
+ if (get_pathname(&cp, path1))
+ return(-1);
+ if (*path1 == NULL) {
+ error("You must specify a path after a %s command.",
+ cmd);
+ return(-1);
+ }
+ break;
+ case I_LS:
+ /* Path is optional */
+ if (get_pathname(&cp, path1))
+ return(-1);
+ break;
+ case I_LLS:
+ case I_SHELL:
+ /* Uses the rest of the line */
+ break;
+ case I_LUMASK:
+ base = 8;
+ case I_CHMOD:
+ base = 8;
+ case I_CHOWN:
+ case I_CHGRP:
+ /* Get numeric arg (mandatory) */
+ l = strtol(cp, &cp2, base);
+ if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
+ errno == ERANGE) || l < 0) {
+ error("You must supply a numeric argument "
+ "to the %s command.", cmd);
+ return(-1);
+ }
+ cp = cp2;
+ *n_arg = l;
+ if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
+ break;
+ if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
+ error("You must supply a numeric argument "
+ "to the %s command.", cmd);
+ return(-1);
+ }
+ cp += strspn(cp, WHITESPACE);
+
+ /* Get pathname (mandatory) */
+ if (get_pathname(&cp, path1))
+ return(-1);
+ if (*path1 == NULL) {
+ error("You must specify a path after a %s command.",
+ cmd);
+ return(-1);
+ }
+ break;
+ case I_QUIT:
+ case I_PWD:
+ case I_LPWD:
+ case I_HELP:
+ case I_VERSION:
+ break;
+ default:
+ fatal("Command not implemented");
+ }
+
+ *cpp = cp;
+ return(cmdnum);
+}
+
+int
+parse_dispatch_command(int in, int out, const char *cmd, char **pwd)
+{
+ char *path1, *path2, *tmp;
+ int pflag, cmdnum, i;
+ unsigned long n_arg;
+ Attrib a, *aa;
+ char path_buf[MAXPATHLEN];
+ int err = 0;
+ glob_t g;
+
+ path1 = path2 = NULL;
+ cmdnum = parse_args(&cmd, &pflag, &n_arg, &path1, &path2);
+
+ memset(&g, 0, sizeof(g));
+
+ /* Perform command */
+ switch (cmdnum) {
+ case -1:
+ break;
+ case I_GET:
+ err = process_get(in, out, path1, path2, *pwd, pflag);
+ break;
+ case I_PUT:
+ err = process_put(in, out, path1, path2, *pwd, pflag);
+ break;
+ case I_RENAME:
+ path1 = make_absolute(path1, *pwd);
+ path2 = make_absolute(path2, *pwd);
+ err = do_rename(in, out, path1, path2);
+ break;
+ case I_SYMLINK:
+ if (version < 3) {
+ error("The server (version %d) does not support "
+ "this operation", version);
+ err = -1;
+ } else {
+ path2 = make_absolute(path2, *pwd);
+ err = do_symlink(in, out, path1, path2);
+ }
+ break;
+ case I_RM:
+ path1 = make_absolute(path1, *pwd);
+ remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
+ for(i = 0; g.gl_pathv[i]; i++) {
+ printf("Removing %s\n", g.gl_pathv[i]);
+ if (do_rm(in, out, g.gl_pathv[i]) == -1)
+ err = -1;
+ }
+ break;
+ case I_MKDIR:
+ path1 = make_absolute(path1, *pwd);
+ attrib_clear(&a);
+ a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
+ a.perm = 0777;
+ err = do_mkdir(in, out, path1, &a);
+ break;
+ case I_RMDIR:
+ path1 = make_absolute(path1, *pwd);
+ err = do_rmdir(in, out, path1);
+ break;
+ case I_CHDIR:
+ path1 = make_absolute(path1, *pwd);
+ if ((tmp = do_realpath(in, out, path1)) == NULL) {
+ err = 1;
+ break;
+ }
+ if ((aa = do_stat(in, out, tmp, 0)) == NULL) {
+ xfree(tmp);
+ err = 1;
+ break;
+ }
+ if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
+ error("Can't change directory: Can't check target");
+ xfree(tmp);
+ err = 1;
+ break;
+ }
+ if (!S_ISDIR(aa->perm)) {
+ error("Can't change directory: \"%s\" is not "
+ "a directory", tmp);
+ xfree(tmp);
+ err = 1;
+ break;
+ }
+ xfree(*pwd);
+ *pwd = tmp;
+ break;
+ case I_LS:
+ if (!path1) {
+ do_ls(in, out, *pwd);
+ break;
+ }
+ path1 = make_absolute(path1, *pwd);
+ if ((tmp = do_realpath(in, out, path1)) == NULL)
+ break;
+ xfree(path1);
+ path1 = tmp;
+ if ((aa = do_stat(in, out, path1, 0)) == NULL)
+ break;
+ if ((aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
+ !S_ISDIR(aa->perm)) {
+ error("Can't ls: \"%s\" is not a directory", path1);
+ break;
+ }
+ do_ls(in, out, path1);
+ break;
+ case I_LCHDIR:
+ if (chdir(path1) == -1) {
+ error("Couldn't change local directory to "
+ "\"%s\": %s", path1, strerror(errno));
+ err = 1;
+ }
+ break;
+ case I_LMKDIR:
+ if (mkdir(path1, 0777) == -1) {
+ error("Couldn't create local directory "
+ "\"%s\": %s", path1, strerror(errno));
+ err = 1;
+ }
+ break;
+ case I_LLS:
+ local_do_ls(cmd);
+ break;
+ case I_SHELL:
+ local_do_shell(cmd);
+ break;
+ case I_LUMASK:
+ umask(n_arg);
+ printf("Local umask: %03lo\n", n_arg);
+ break;
+ case I_CHMOD:
+ path1 = make_absolute(path1, *pwd);
+ attrib_clear(&a);
+ a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
+ a.perm = n_arg;
+ remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
+ for(i = 0; g.gl_pathv[i]; i++) {
+ printf("Changing mode on %s\n", g.gl_pathv[i]);
+ do_setstat(in, out, g.gl_pathv[i], &a);
+ }
+ break;
+ case I_CHOWN:
+ path1 = make_absolute(path1, *pwd);
+ remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
+ for(i = 0; g.gl_pathv[i]; i++) {
+ if (!(aa = do_stat(in, out, g.gl_pathv[i], 0)))
+ continue;
+ if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
+ error("Can't get current ownership of "
+ "remote file \"%s\"", g.gl_pathv[i]);
+ continue;
+ }
+ printf("Changing owner on %s\n", g.gl_pathv[i]);
+ aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
+ aa->uid = n_arg;
+ do_setstat(in, out, g.gl_pathv[i], aa);
+ }
+ break;
+ case I_CHGRP:
+ path1 = make_absolute(path1, *pwd);
+ remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
+ for(i = 0; g.gl_pathv[i]; i++) {
+ if (!(aa = do_stat(in, out, g.gl_pathv[i], 0)))
+ continue;
+ if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
+ error("Can't get current ownership of "
+ "remote file \"%s\"", g.gl_pathv[i]);
+ continue;
+ }
+ printf("Changing group on %s\n", g.gl_pathv[i]);
+ aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
+ aa->gid = n_arg;
+ do_setstat(in, out, g.gl_pathv[i], aa);
+ }
+ break;
+ case I_PWD:
+ printf("Remote working directory: %s\n", *pwd);
+ break;
+ case I_LPWD:
+ if (!getcwd(path_buf, sizeof(path_buf)))
+ error("Couldn't get local cwd: %s",
+ strerror(errno));
+ else
+ printf("Local working directory: %s\n",
+ path_buf);
+ break;
+ case I_QUIT:
+ return(-1);
+ case I_HELP:
+ help();
+ break;
+ case I_VERSION:
+ printf("SFTP protocol version %d\n", version);
+ break;
+ default:
+ fatal("%d is not implemented", cmdnum);
+ }
+
+ if (g.gl_pathc)
+ globfree(&g);
+ if (path1)
+ xfree(path1);
+ if (path2)
+ xfree(path2);
+
+ /* If an error occurs in batch mode we should abort. */
+ if (infile != stdin && err > 0)
+ return -1;
+
+ return(0);
+}
+
+void
+interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
+{
+ char *pwd;
+ char *dir = NULL;
+ char cmd[2048];
+
+ version = do_init(fd_in, fd_out);
+ if (version == -1)
+ fatal("Couldn't initialise connection to server");
+
+ pwd = do_realpath(fd_in, fd_out, ".");
+ if (pwd == NULL)
+ fatal("Need cwd");
+
+ if (file1 != NULL) {
+ dir = xstrdup(file1);
+ dir = make_absolute(dir, pwd);
+
+ if (remote_is_dir(fd_in, fd_out, dir) && file2 == NULL) {
+ printf("Changing to: %s\n", dir);
+ snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
+ parse_dispatch_command(fd_in, fd_out, cmd, &pwd);
+ } else {
+ if (file2 == NULL)
+ snprintf(cmd, sizeof cmd, "get %s", dir);
+ else
+ snprintf(cmd, sizeof cmd, "get %s %s", dir,
+ file2);
+
+ parse_dispatch_command(fd_in, fd_out, cmd, &pwd);
+ return;
+ }
+ }
+ setvbuf(stdout, NULL, _IOLBF, 0);
+ setvbuf(infile, NULL, _IOLBF, 0);
+
+ for(;;) {
+ char *cp;
+
+ printf("sftp> ");
+
+ /* XXX: use libedit */
+ if (fgets(cmd, sizeof(cmd), infile) == NULL) {
+ printf("\n");
+ break;
+ } else if (infile != stdin) /* Bluff typing */
+ printf("%s", cmd);
+
+ cp = strrchr(cmd, '\n');
+ if (cp)
+ *cp = '\0';
+
+ if (parse_dispatch_command(fd_in, fd_out, cmd, &pwd))
+ break;
+ }
+ xfree(pwd);
+}
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